it's a real physiological response, and it usually boils down to a few key factors
Other brands opt for a more straight forward approach, knowingly or unknowingly, and sell peptides openly as dietary supplements despite them not legally qualifying as such under the Dietary Supplement Health and Education Act (DSHEA)
Dosing Considerations The recommended dose-escalation time period for GLP-1 RA is intended to improve GI tolerability to AEs such as nausea, vomiting and diarrhoea, which are common when initiating GLP-1 RAs [16, 18, 20, 22, 24, 26, 28]
Urol Int 38:9194 Zhang L, Lu B, Lu C, Lin JM (2014) Determination of cysteine, homocysteine, cystine, and homocystine in biological fluids by HPLC using fluorosurfactant-capped gold nanoparticles as postcolumn colorimetric reagenets